13443411123 has 24 divisors (see below), whose sum is σ = 19618581840. Its totient is φ = 8870005440.

The previous prime is 13443411103. The next prime is 13443411131. The reversal of 13443411123 is 32111434431.

It is not a de Polignac number, because 13443411123 - 2¹⁴ = 13443394739 is a prime.

It is a super-2 number, since 2×13443411123² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13443411103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 915840 + ... + 930402.

It is an arithmetic number, because the mean of its divisors is an integer number (817440910).

Almost surely, 2^13443411123 is an apocalyptic number.

13443411123 is a deficient number, since it is larger than the sum of its proper divisors (6175170717).

13443411123 is a wasteful number, since it uses less digits than its factorization.

13443411123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15619 (or 15616 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 13443411123 its reverse (32111434431), we get a palindrome (45554845554).

The spelling of 13443411123 in words is "thirteen billion, four hundred forty-three million, four hundred eleven thousand, one hundred twenty-three".